October 11, 20233 yr hello, My image is (Armbian BookwormXFCE desktop 20230831) and download to cm4 moudule. When I using the Bananapi CM4 base board ( https://wiki.banana-pi.org/File:BananaPi_BPI-CM4_base_board_1.jpg) the USB function is working. But I using the common RPI CM4 base board, such as waveshare's cm4 nano-b (https://www.waveshare.net/wiki/CM4-NANO-B) the USB function is not working. I compare the difference of two board's schematics. Bananapi's base board is connecting the fs1.1 usb hub ic. but waveshare's base board was connecting USB D+/D- to USB host directly . I also tried bananapi official image (both Debian and Ubuntu mate) and the wareshare's base board USB function is working.This is a bit confusing to me. Why can’t USB be found when connected USB D+ / D- directly in Armbian image? How can i solve this problem? Thanks PS. Bananpi base board SCH: https://drive.google.com/file/d/1IErCKqfWdU7gL7kUod2-wlpG7uE9EiVZ/view waveshare base board SCH: https://www.waveshare.net/w/upload/f/f5/CM4-NANO-B-SCH.pdf Edited October 11, 20233 yr by 陳柏儒
October 11, 20233 yr Providing logs with armbianmonitor -u helps with troubleshooting and significantly raises chances that issue gets addressed.
October 11, 20233 yr If that doesn't work, you are more than welcome to donate to Armbian so the baseboard can be purchased and a proper OVERLAY or DTS can be created for it. As I will not be buying another baseboard out of pocket to do so.
October 12, 20233 yr Author Hello @c0rnelius Thank you for your reply, I tried your dts file in the topic. It works for me. Thank you very much!!!
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